#511C75#511C75

#511C75 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.6% C 0.145 H 307.7°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#511C75
RGB	rgb(81, 28, 117)
HSL	hsl(276, 61%, 28%)
HSV	hsv(276, 76%, 46%)
CMYK	cmyk(30.8%, 76.1%, 0%, 54.1%)
CIE-LAB	lab(23.22, 40.73, -40.50)
CIE-LCH	lch(23.22, 57.44, 315.16°)
OKLab	oklab(35.63% 0.0889 -0.115)
OKLCH	oklch(35.63% 0.145 307.7)
XYZ	xyz(7.0188, 3.8643, 17.2023)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C75 #40751C

analogous

#241C75 #511C75 #751C6C

triadic

#511C75 #75511C #1C7551

tetradic

#511C75 #75241C #40751C #1C6C75

square

#511C75 #75241C #40751C #1C6C75

split-complementary

#511C75 #6C751C #1C7524

monochromatic

#110619 #2F1044 #511C75 #7328A6 #943BD0

Accessibility & contrast

On white

11.85

#511C75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#511C75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C75

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C75	#FFFFFF	#000000	##FFFFFF
##511C75	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003578

Deuteranopia (green-blind)

#003873

Tritanopia (blue-blind)

#4B3147

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511c75;
/* rgb */ color: rgb(81, 28, 117);
/* oklch */ color: oklch(35.6% 0.145 307.7);

Tailwind

colors: {
  custom: {
    50: '#865e9d',
    500: '#511c75',
    950: '#000000',
  },
}

SCSS

$custom: #511c75;
$custom-light: #865e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#511c75",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 117
  },
  "hsl": {
    "h": 275.73,
    "s": 61.379,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35626,
    "c": 0.1453,
    "h": 307.7
  },
  "luminance": 0.03864
}

Semantic roles & 50–950 ramp

primary

#511C75

secondary

#6DA944

accent

#E44385

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511C75

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →